Test case for 95958.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95959 91177308-0d34-0410-b5e6-96231b3b80d8

test/FrontendObjC/2010-02-11-fwritable-stringsBug.m

@@ -0,0 +1,18 @@
+// RUN: %llvmgcc -x objective-c -fwritable-strings -S %s -o - | FileCheck %s
+// CHECK: @.str = private constant
+// CHECK: @.str1 = private global
+// .str1 should have linker_private linkage. It will be fixed next.
+
+// rdar://7634471
+
+@class NSString;
+
+@interface A
+- (void)foo:(NSString*)msg;
+- (void)bar:(const char*)msg;
+@end
+
+void func(A *a) {
+  [a foo:@"Hello world!"];
+  [a bar:"Goodbye world!"];
+}